For Immediate Release

Company name: DAIICHI SANKYO COMPANY, LIMITED
Representative: Takashi Shoda, President and Representative Director
(Code no.: 4568, First Section, Tokyo, Osaka and Nagoya Stock Exchanges)
Please address inquiries to Toshio Takahashi, Corporate Officer in Charge,
Corporate Communications Department
Telephone: +81-3-6225-1126
http://www.daiichisankyo.co.jp/

DAIICHI SANKYO Announces Result of Early Retirement Program

Tokyo, December 22, 2006 - DAIICHI SANKYO announced today the result of the early-retirement program offered at its wholly-owned subsidiaries Sankyo Co., Ltd. (President: Yasuhiro Ikegami, hereafter Sankyo) and Daiichi Pharmaceutical Co., Ltd. (President: Kiyoshi Morita, hereafter Daiichi Pharmaceutical).

As of the closing date for applications to the program, the two companies had received a total of 1,412 applications.

The early retirement program was available to all employees of Sankyo and Daiichi Pharmaceutical under 60 years of age as of February 28, 2007. There was no limit set on the number of places in the program. The application period was December 4-15, 2006 and the retirement date is set for February 28, 2007. Under the program, those who took up the early retirement offer are to receive an augmented retirement allowance as well as assistance in finding new employment.

Totaling 26 billion yen, the additional retirement allowance expenses arising from early retirement program are to be booked as an extraordinary loss in the consolidated results for the fiscal year ended March 2007, and will have no significant effect on the forecast released on November 6.